Which of the following group of animals have three chambered heart? 
1. Bufo, Alligator, Struthio
2. Chameleon, Hyla, Calotes
3. Crocodilus, pavo, Clarias
4. Exocoetus, Hemidactylus, Rana 
Subtopic:  Study of Amphibians | Study of Reptilia |
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Given below are two statements: 

I: Amphibians and reptiles have a 3-chambered heart with two atria and a single ventricle, and are oviparous in nature 
II:  Crocodiles possess a 4 chambered heart with two ventricles and two atria and are viviparous in nature 

Select the most appropriate option:
1. I is correct but II is incorrect. 
2. I is incorrect but II is correct.
3. Both I and II are correct.
4. Both I and II are incorrect. 

Subtopic:  Study of Amphibians | Study of Reptilia |
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Which of the following animals has three chambered heart?
1. Scoliodon 2. Hippocampus
3. Chelone 4. Pteropus
Subtopic:  Study of Reptilia |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology